Striking the right balance between <A HREF="http://www.cio.com/archive/021507/fea_user_mgmt_sb1.html?CID=28822">corporate IT and shadow IT</A> requires possessing detailed knowledge about how the employees in your company are really accessing and using information. This calls for network monitoring, content monitoring and restraint. Unfortunately, no one vendor can give you everything you need to do these things. This is because different types of workers use different types of data in different ways. Forrester Research breaks the data into three broad categories.